The series 6060 single hung window has the same look as
the series 6010 single hung
window with aluminum reinforcement in the sash stiles
and rails which
are designed to withstand higher structural loading. (Click
on the link
above to see a detailed comparison of the series 6060
and 6010 windows.)

5665

The series 5665 single hung window looks almost exactly
like the 5610.
It has aluminum reinforcement in the sash stiles and rails
along with tilt
latches which allow the window to withstand higher structural
loading and
pass DP-65 structural and high water/wind load tests.
(Click on the link above to see a detailed comparison
of
the 5665 and 5610 series windows.)

8065

The series 8065 single hung window looks almost exactly
like the 8010.
It has aluminum reinforcement in the sash stiles and
rails along with tilt
latches which allow the window to withstand higher structural
loading and
pass DP-65 structural and high water/wind load tests.
(Click on the link above to see a detailed comparison
of
the 8065 and 8010 series windows.)

,

This window looks almost exactly like the 8010. The
window has aluminum reinforcement in the sash stiles
and rails which all the window to withstand a higher
structural loading. Also the Tilt latches have been
designed heavier than both the 8010 and the 8065. This
window designed so that an 8 foot 2 x 4 traveling at
35mph will not penetrate the window. This window will
pass a DP-65 structural and water wind load and will
pass large missile impacts for Hurricane applications.
(Click on the link above to see a detailed comparison
of the 8080 and 8010 series windows.)